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Advances in Developmental Neurotoxicology

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Toxicology".

Deadline for manuscript submissions: 20 January 2025 | Viewed by 1717

Special Issue Editor


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Guest Editor
UCIBIO, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
Interests: molecular toxicology; developmental neurotoxicology; new psychoactive substances; cannabinoids; oxidative stress
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Special Issue Information

Dear Colleagues,

Humans are daily exposed to toxic substances that may affect the nervous system. The developing brain is particularly vulnerable, compared to the adult brain, to toxicants exposure, due to the complex network of events occurring during brain development (e.g., neuronal/glia differentiation, migration, maturation, synaptogenesis, blood-brain barrier immaturity). Moreover, neurodevelopmental impairment has been increasingly correlated with neurodevelopmental disorders (e.g., autism, attention deficit hyperactivity disorder), making the mechanistic understanding of how toxicants may affect the developing brain highly relevant. Notably, developmental neurotoxicity assessment remains quite challenging, as the developmental outcomes depend on the substance, type of exposure, and the brain’s developmental stage at the time of exposure. This Special Issue welcomes reviews and original research contributions on the most recent advances in developmental neurotoxicology, including, but not limited, to the following topics:

  • Molecular mechanisms underlying the adverse effects of exposure to toxicants (g., pesticides, biocides, industrial chemicals, heavy metals, pharmaceuticals, substances of abuse, or nanomaterials) during neurodevelopment;
  • Cognitive and behavioral outcomes following exposure to toxicants during neurodevelopment;
  • Identification of new biomarkers of neurodevelopmental neurotoxicity that may be used as diagnostic tools or therapeutic targets for neurodevelopmental disorders;
  • New and improved models (g., in silico, in vitro, in vivo) for testing developmental neurotoxicity.

This Special Issue is supervised by Dr. João Pedro Silva and assisted by our Topical Advisory Panel Member Dr. Ana Filipa Sobral,  (University Institute of Health Sciences).

Dr. João Pedro Silva
Guest Editor

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Keywords

  • developmental neurotoxicology
  • neurodevelopmental models
  • neurotoxicants
  • neurodevelopmental disorders

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Published Papers (1 paper)

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Research

14 pages, 6602 KiB  
Article
Neurotoxicity and Developmental Neurotoxicity of Copper Sulfide Nanoparticles on a Human Neuronal In-Vitro Test System
by Michael Stern, Nandipha Botha, Karen J. Cloete, Malik Maaza, Saime Tan and Gerd Bicker
Int. J. Mol. Sci. 2024, 25(11), 5650; https://doi.org/10.3390/ijms25115650 - 22 May 2024
Cited by 1 | Viewed by 1002
Abstract
Nanoparticles (NPs) are becoming increasingly important novel materials for many purposes, including basic research, medicine, agriculture, and engineering. Increasing human and environmental exposure to these promising compounds requires assessment of their potential health risks. While the general direct cytotoxicity of NPs is often [...] Read more.
Nanoparticles (NPs) are becoming increasingly important novel materials for many purposes, including basic research, medicine, agriculture, and engineering. Increasing human and environmental exposure to these promising compounds requires assessment of their potential health risks. While the general direct cytotoxicity of NPs is often routinely measured, more indirect possible long-term effects, such as reproductive or developmental neurotoxicity (DNT), have been studied only occasionally and, if so, mostly on non-human animal models, such as zebrafish embryos. In this present study, we employed a well-characterized human neuronal precursor cell line to test the concentration-dependent DNT of green-manufactured copper sulfide (CuS) nanoparticles on crucial early events in human brain development. CuS NPs turned out to be generally cytotoxic in the low ppm range. Using an established prediction model, we found a clear DNT potential of CuS NPs on neuronal precursor cell migration and neurite outgrowth, with IC50 values 10 times and 5 times, respectively, lower for the specific DNT endpoint than for general cytotoxicity. We conclude that, in addition to the opportunities of NPs, their risks to human health should be carefully considered. Full article
(This article belongs to the Special Issue Advances in Developmental Neurotoxicology)
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